A dope-ass french music event that is done in many middle school french classes worldwide. It has a collection of 16 french songs, which change every year, in a bracket. Students vote for which one moves on, and whoever predicts the winner gets a prize.
Boy 1: My Class is doing manie musicale!
Boy 2: Dope! I did that last year, have fun.
Person 1: How's Anton doing over there?
Person 2: He's doing great! He got married to a stripper he knocked up, and shot his neighbor!
Person 1: Oh wow, he must have really Muricanized!
(v.) the act of strutting around randomly, often times in another person's house, dancing and singing to the high school musical soundtrack. (often not very good.)
Riley went to Carina's house, who had put on the sound track from the movie, and they were high school musicaling all day.
Riley almost lost her limbs from high school musicaling.